89700812 has 12 divisors (see below), whose sum is σ = 157533096. Its totient is φ = 44691360.

The previous prime is 89700811. The next prime is 89700829. The reversal of 89700812 is 21800798.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (89700811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38489 + ... + 40752.

It is an arithmetic number, because the mean of its divisors is an integer number (13127758).

Almost surely, 2^89700812 is an apocalyptic number.

It is an amenable number.

89700812 is a deficient number, since it is larger than the sum of its proper divisors (67832284).

89700812 is a wasteful number, since it uses less digits than its factorization.

89700812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79528 (or 79526 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 89700812 is about 9471.0512616077. The cubic root of 89700812 is about 447.6433372485.

The spelling of 89700812 in words is "eighty-nine million, seven hundred thousand, eight hundred twelve".